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NPWR icon

Argentarii’s NET Power NPWR Stock Holding History

Argentarii’s Portfolio NPWR Stock Details NPWR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.21M Sell
746,799
-1,850
-0.2% -$3.35K 0.36% 62
2026
Q1 		$1.17M Buy
748,649
+485,142
+184% +$1.04M 0.41% 58
2025
Q4 		$601K Buy
263,507
+212,142
+413% +$663K 0.2% 98
2025
Q3 		$155K Buy
51,365
+24,580
+92% +$65.6K 0.06% 163
2025
Q2 		$66.2K Sell
26,785
-500
-2% -$1.05K 0.03% 154
2025
Q1 		$71.8K Buy
27,285
+3,842
+16% +$27.1K 0.04% 157
2024
Q4 		$248K Buy
+23,443
New +$230K 0.12% 132

Other funds holding NPWR

ALS
Andrew L. Share $193M AUM 1.47% 1-Year Est. Return
HHAM
HITE Hedge Asset Management Braintree, Massachusetts $1.83B AUM 34.36% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PEAK6
PEAK6 Chicago, Illinois $48.6B AUM 40.56% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
DE
Defiance ETFs New York $7.37B AUM
TI
Tidal Investments Milwaukee, Wisconsin $57.8B AUM 72.54% 1-Year Est. Return
SG
Sourcerock Group Denver, Colorado $1.92B AUM 45.54% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Argentarii's NPWR Position: Q2 2026 in Review

Argentarii reduced its NET Power (NPWR) stake by 0.25% in Q2 2026, selling an estimated $3.35K and leaving 746,799 shares worth $1.21M. The position accounts for 0.36% of the portfolio, ranked #62.

Argentarii first reported a position in NPWR in Q4 2024 and has held it in 7 quarters since. 120 funds tracked by Wall St. Rank hold NPWR as of Q2 2026.

  • Argentarii held 746,799 shares of NET Power worth $1.21M as of Q2 2026.
  • Argentarii sold 1,850 NET Power shares in Q2 2026, an estimated $3.35K.
  • NET Power made up 0.36% of Argentarii's portfolio in Q2 2026, its #62 holding.
  • Argentarii first reported a position in NET Power in Q4 2024 and has held it in 7 quarters since.
  • 120 funds tracked by Wall St. Rank held NET Power as of Q2 2026.

Based on Argentarii's 13F filing for Q2 2026, filed 12 Aug 2026.